Solar backlit liquid crystal display computer monitor

ABSTRACT

Liquid crystal displays in computer monitors require a source of backlight, in which light emitting diodes are the most widely used, however these electric light sources can cause eye strain after prolonged viewing. In order to provide an alternative to desktop computer users which are in front of LCD displays for most of the day, the present invention supplies a way to use natural solar backlight from a nearby window or candle to completely eliminate such strain.

CROSS-REFERENCE OF RELATED APPLICATIONS

This application claims the benefit of U.S. Provisional Application No. 62/878,389, filed Jul. 25 2019.

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT

“Not Applicable”

THE NAMES OF THE PARTIES TO A JOINT RESEARCH AGREEMENT

“Not Applicable”

STATEMENT REGARDING PRIOR DISCLOSURES BY THE INVENTOR OR A JOINT INVENTOR

“Not Applicable”

BACKGROUND OF THE INVENTION 1. Field of the Invention

The present invention relates to the field of backlit liquid crystal displays, and in particular to liquid crystal display backlight sources. Related sectors are 349/64, 345/102, and 362/97.2

2. Description of Related Arts

The light source used in LCD (Liquid Crystal Displays) in computer monitors require a source of backlight in which LEDs (Light emitting diodes) are presently the most widely used. The LED does have the advantage of high energy efficiency and small space requirements. However, white LED light also emits a substantial amount of blue light which produces eye strain after prolonged viewing, and has been shown to cause eye problems after decades of use.

Electric illumination was discovered relatively recently, and the Human eye has been adapted to natural sources of light such as the Sun and fire since prehistoric times, this may be the reason of such strain. Reflective e-paper displays have been shown to reduce eye strain significantly, but are still limited in chromatic palette and refresh rate, and are mostly used only in e-book readers. The present invention provides an alternative by making use of solar and fire light instead, which completely eliminates eye strain, reduces energy consumption, and further increases color rendering quality.

BRIEF SUMMARY OF THE INVENTION

The objective of the invention is to provide solar backlight to a liquid crystal display in order to provide an alternative to computer users, which are in front of LCD displays for most of the day, and are afflicted by the eye strain. In order to resolve the above described, the present invention provides a semi-transparent diffusing screen in the back of an LCD display, both mounted with a sturdy frame, allowing the light of the Sun to pass through and illuminate the digital content. It eliminates strain because the electronic light is removed altogether, and makes use of the luminescence of the Sun instead. The LCD display has to be placed in front of a window, preferably facing south if living north of the equator, and can be used from sunrise to sunset even in cloudy days. If light is needed when there is no sunlight available, a candle may also be used as a backlight.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

In order to give a better understanding of the technical solution in the present invention, a brief description of the preferred embodiment is given below along with the attached drawings:

Referring to FIGS. 1-3, the present invention consists of a liquid crystal display 100, a semi-transparent diffusing screen 102, and a frame 104 mounting both.

FIG. 1 is a cross-sectional view showing the liquid crystal display 100, the semi-transparent diffusing screen 102, and the frame 104.

FIG. 2 is a perspective view showing the arrangement of the liquid crystal display 100, the semi-transparent diffusing screen 102, and the frame 104;

FIG. 3 is a exploded view showing the arrangement of the liquid crystal display 100, the semi-transparent diffusing screen 102, and the frame 104.

FIG. 4 illustrates the use of present invention 106, placed in front of a sunny window 108.

FIG. 5 is a perspective view showing the present invention 106, a folding box 110, joined with magnets 116, an oil lamp 112, and reflective material inside the box 114.

DETAILED DESCRIPTION OF THE INVENTION

To further elaborate the solution adopted in the present invention, a detailed description will be given. The present invention is a Sun backlit digital computer color monitor which comprises a LCD module, a semi-transparent diffusing screen, and a frame to provide their support. In the back of the LCD display glass, a semi-transparent diffusing screen is placed to allow only light to pass thru, and not the back view. The process of making is relatively simple; a frame is made according to the exact measurements of the LCD display, and a semi-transparent diffusing screen is cut to the dimensions of the display as well, the LCD and the semi-transparent diffusing screen are then mounted on the frame. The cables, ports, and electronic board from the LCD module are then affixed in the back of the frame. Optimal use is achieved by placing the solar monitor in front of a window from sunrise to sunset, facing south if living north of the equator, and mildly blocking excess sun light around it with a curtain. When there is no Sun light available, it can be illuminated with candlelight by placing behind the monitor a flame retardant folding box, joined by magnets, with a reflective film covering the interior, and placing a candle or oil lamp in the center of the interior. Providing a unique ambiance to the users viewing experience, and completely eliminating eye strain as well.

A computer monitor that provides an alternative to users which are in front of LCD displays for most of the day and are afflicted by the eye strain due to the LED backlight. Comprising of a liquid crystal display module, a semi-transparent diffusing screen, a frame to mount both, and a light box. 

The claimed invention is:
 1. An indoor computer liquid crystal display color monitor, that utilizes the light of the Sun from a window as the primary backlight to illuminate the digital content in it, comprising of: a. a liquid crystal display module; b. a semi-transparent diffusing screen on the back; and c. a frame to mount both. a) Such invention is made by a making a frame, in which the inside dimensions measure the perimeter of the LCD display, and making a semi-transparent diffusing screen of the same measurements as well, the semi-transparent diffusing screen is then placed on the back of LCD display, and both are mounted on the frame. The cables, ports, and electronic boards from the LCD module are affixed into the side of the frame in order to not block any light passing thru.
 2. Such invention is utilized by placing it indoors on a table near a window from sunrise to sunset, preferably facing south if living north of the equator, and optionally blocking excess light by placing a curtain around to reduce glare.
 3. Such invention can also be viewed at night with candlelight by placing a lighted oil lamp or candle inside a magnetically joined, flame retardant folding box with a reflective film in the interior, behind the monitor. 